Piston Ring NSN 2590-01-057-7274

Item Description

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

NSN: 2590-01-057-7274

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Features and Characteristics

Cross Sectional Shape

Plain rectangular, straight face

Ring Style

Concentric

Radial Wall Thickness

0.7500 inches

Overall Width

0.6250 inches

Standard Bore Diameter

31.500 inches

Joint Style

Vertical joint

End Application

Used on servomotor piston in propulsion systems inc propeller hub 378 ft whec coast guard vessels

Material

Iron

FSC

2590 Miscellaneous Vehicular Components

NIIN

010577274

NSN

2590010577274

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

14441-A

Cage Code:

27046

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 8708295170
NAICS: 336211
SITC: 78432
Description: Parts and accessories, nesoi, of bodies (including cabs) of heading 8701 to 8705
End Use (Code 30230):
Other parts and accessories of vehicles

Q & A

Frequently asked questions for NSN 2590-01-057-7274

What are the manufacturers of nsn 2590010577274?

Propulsion Systems, Inc (27046)

Does this nsn 2590010577274 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 2590010577274
A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. it is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. it may include an expander. excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

Does nsn 2590010577274 contain any precious metals?
No precious metal content.

Does nsn 2590010577274 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 2590010577274?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

11459

FIIG:

A08400

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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